src/folder.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2002 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <stdio.h>
  28 #include <string.h>
  29 #include <sys/types.h>
  30 #include <sys/stat.h>
  31 #include <unistd.h>
  32 #include <stdlib.h>
  33
  34 #include "intl.h"
  35 #include "folder.h"
  36 #include "session.h"
  37 #include "imap.h"
  38 #include "news.h"
  39 #include "mh.h"
  40 #include "mbox_folder.h"
  41 #include "utils.h"
  42 #include "xml.h"
  43 #include "codeconv.h"
  44 #include "prefs.h"
  45 #include "account.h"
  46 #include "filtering.h"
  47 #include "scoring.h"
  48 #include "prefs_folder_item.h"
  49 #include "procheader.h"
  50 #include "statusbar.h"
  51
  52 /* Dependecies to be removed ?! */
  53 #include "prefs_common.h"
  54 #include "prefs_account.h"
  55 #include "prefs_folder_item.h"
  56
  57 static GList *folder_list = NULL;
  58
  59 static void folder_init         (Folder         *folder,
  60                                  const gchar    *name);
  61
  62 static gboolean folder_read_folder_func (GNode          *node,
  63                                          gpointer        data);
  64 static gchar *folder_get_list_path      (void);
  65 static void folder_write_list_recursive (GNode          *node,
  66                                          gpointer        data);
  67 static void folder_update_op_count_rec  (GNode          *node);
  68
  69
  70 static void folder_get_persist_prefs_recursive
  71                                         (GNode *node, GHashTable *pptable);
  72 static gboolean persist_prefs_free      (gpointer key, gpointer val, gpointer data);
  73 void folder_item_read_cache             (FolderItem *item);
  74 void folder_item_free_cache             (FolderItem *item);
  75
  76 Folder *folder_new(FolderType type, const gchar *name, const gchar *path)
  77 {
  78         Folder *folder = NULL;
  79         FolderItem *item;
  80
  81         name = name ? name : path;
  82         switch (type) {
  83         case F_MBOX:
  84                 folder = mbox_folder_new(name, path);
  85                 break;
  86         case F_MH:
  87                 folder = mh_folder_new(name, path);
  88                 break;
  89         case F_IMAP:
  90                 folder = imap_folder_new(name, path);
  91                 break;
  92         case F_NEWS:
  93                 folder = news_folder_new(name, path);
  94                 break;
  95         default:
  96                 return NULL;
  97         }
  98
  99         /* Create root folder item */
 100         item = folder_item_new(folder, name, NULL);
 101         item->folder = folder;
 102         folder->node = g_node_new(item);
 103         folder->data = NULL;
 104
 105         return folder;
 106 }
 107
 108 static void folder_init(Folder *folder, const gchar *name)
 109 {
 110         g_return_if_fail(folder != NULL);
 111
 112         folder_set_name(folder, name);
 113
 114         /* Init folder data */
 115         folder->account = NULL;
 116         folder->inbox = NULL;
 117         folder->outbox = NULL;
 118         folder->draft = NULL;
 119         folder->queue = NULL;
 120         folder->trash = NULL;
 121
 122         /* Init Folder functions */
 123         folder->item_new = NULL;
 124         folder->item_destroy = NULL;
 125         folder->fetch_msg = NULL;
 126         folder->get_msginfo = NULL;
 127         folder->get_msginfos = NULL;
 128         folder->get_num_list = NULL;
 129         folder->ui_func = NULL;
 130         folder->ui_func_data = NULL;
 131         folder->change_flags = NULL;
 132         folder->check_msgnum_validity = NULL;
 133 }
 134
 135 void folder_local_folder_init(Folder *folder, const gchar *name,
 136                               const gchar *path)
 137 {
 138         folder_init(folder, name);
 139         LOCAL_FOLDER(folder)->rootpath = g_strdup(path);
 140 }
 141
 142 void folder_remote_folder_init(Folder *folder, const gchar *name,
 143                                const gchar *path)
 144 {
 145         folder_init(folder, name);
 146         REMOTE_FOLDER(folder)->session = NULL;
 147 }
 148
 149 void folder_destroy(Folder *folder)
 150 {
 151         g_return_if_fail(folder != NULL);
 152         g_return_if_fail(folder->destroy != NULL);
 153
 154         folder->destroy(folder);
 155
 156         folder_list = g_list_remove(folder_list, folder);
 157
 158         folder_tree_destroy(folder);
 159         g_free(folder->name);
 160         g_free(folder);
 161 }
 162
 163 void folder_local_folder_destroy(LocalFolder *lfolder)
 164 {
 165         g_return_if_fail(lfolder != NULL);
 166
 167         g_free(lfolder->rootpath);
 168 }
 169
 170 void folder_remote_folder_destroy(RemoteFolder *rfolder)
 171 {
 172         g_return_if_fail(rfolder != NULL);
 173
 174         if (rfolder->session)
 175                 session_destroy(rfolder->session);
 176 }
 177
 178 #if 0
 179 Folder *mbox_folder_new(const gchar *name, const gchar *path)
 180 {
 181         /* not yet implemented */
 182         return NULL;
 183 }
 184
 185 Folder *maildir_folder_new(const gchar *name, const gchar *path)
 186 {
 187         /* not yet implemented */
 188         return NULL;
 189 }
 190 #endif
 191
 192 FolderItem *folder_item_new(Folder *folder, const gchar *name, const gchar *path)
 193 {
 194         FolderItem *item = NULL;
 195
 196         if (folder->item_new) {
 197                 item = folder->item_new(folder);
 198         } else {
 199                 item = g_new0(FolderItem, 1);
 200         }
 201
 202         g_return_val_if_fail(item != NULL, NULL);
 203
 204         item->stype = F_NORMAL;
 205         item->name = g_strdup(name);
 206         item->path = g_strdup(path);
 207         item->mtime = 0;
 208         item->new = 0;
 209         item->unread = 0;
 210         item->unreadmarked = 0;
 211         item->total = 0;
 212         item->last_num = -1;
 213         item->cache = NULL;
 214         item->no_sub = FALSE;
 215         item->no_select = FALSE;
 216         item->collapsed = FALSE;
 217         item->threaded  = TRUE;
 218         item->ret_rcpt  = FALSE;
 219         item->opened    = FALSE;
 220         item->parent = NULL;
 221         item->folder = NULL;
 222         item->account = NULL;
 223         item->apply_sub = FALSE;
 224         item->mark_queue = NULL;
 225         item->data = NULL;
 226
 227         item->prefs = prefs_folder_item_new();
 228
 229         return item;
 230 }
 231
 232 void folder_item_append(FolderItem *parent, FolderItem *item)
 233 {
 234         GNode *node;
 235
 236         g_return_if_fail(parent != NULL);
 237         g_return_if_fail(parent->folder != NULL);
 238         g_return_if_fail(item != NULL);
 239
 240         node = parent->folder->node;
 241         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, parent);
 242         g_return_if_fail(node != NULL);
 243
 244         item->parent = parent;
 245         item->folder = parent->folder;
 246         g_node_append_data(node, item);
 247 }
 248
 249 void folder_item_remove(FolderItem *item)
 250 {
 251         GNode *node;
 252
 253         g_return_if_fail(item != NULL);
 254         g_return_if_fail(item->folder != NULL);
 255
 256         node = item->folder->node;
 257         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
 258         g_return_if_fail(node != NULL);
 259
 260         /* TODO: free all FolderItem's first */
 261         if (item->folder->node == node)
 262                 item->folder->node = NULL;
 263         g_node_destroy(node);
 264 }
 265
 266 void folder_item_destroy(FolderItem *item)
 267 {
 268         g_return_if_fail(item != NULL);
 269
 270         debug_print("Destroying folder item %s\n", item->path);
 271
 272         if (item->cache)
 273                 folder_item_free_cache(item);
 274         g_free(item->name);
 275         g_free(item->path);
 276
 277         if (item->folder != NULL) {
 278                 if(item->folder->item_destroy) {
 279                         item->folder->item_destroy(item->folder, item);
 280                 } else {
 281                         g_free(item);
 282                 }
 283         }
 284 }
 285
 286 void folder_set_ui_func(Folder *folder, FolderUIFunc func, gpointer data)
 287 {
 288         g_return_if_fail(folder != NULL);
 289
 290         folder->ui_func = func;
 291         folder->ui_func_data = data;
 292 }
 293
 294 void folder_set_name(Folder *folder, const gchar *name)
 295 {
 296         g_return_if_fail(folder != NULL);
 297
 298         g_free(folder->name);
 299         folder->name = name ? g_strdup(name) : NULL;
 300         if (folder->node && folder->node->data) {
 301                 FolderItem *item = (FolderItem *)folder->node->data;
 302
 303                 g_free(item->name);
 304                 item->name = name ? g_strdup(name) : NULL;
 305         }
 306 }
 307
 308 gboolean folder_tree_destroy_func(GNode *node, gpointer data) {
 309         FolderItem *item = (FolderItem *) node->data;
 310
 311         folder_item_destroy(item);
 312         return FALSE;
 313 }
 314
 315 void folder_tree_destroy(Folder *folder)
 316 {
 317         g_return_if_fail(folder != NULL);
 318         g_return_if_fail(folder->node != NULL);
 319
 320         prefs_scoring_clear();
 321         prefs_filtering_clear();
 322
 323         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_tree_destroy_func, NULL);
 324         if (folder->node)
 325                 g_node_destroy(folder->node);
 326
 327         folder->inbox = NULL;
 328         folder->outbox = NULL;
 329         folder->draft = NULL;
 330         folder->queue = NULL;
 331         folder->trash = NULL;
 332         folder->node = NULL;
 333 }
 334
 335 void folder_add(Folder *folder)
 336 {
 337         Folder *cur_folder;
 338         GList *cur;
 339         gint i;
 340
 341         g_return_if_fail(folder != NULL);
 342
 343         for (i = 0, cur = folder_list; cur != NULL; cur = cur->next, i++) {
 344                 cur_folder = FOLDER(cur->data);
 345                 if (folder->type == F_MH) {
 346                         if (cur_folder->type != F_MH) break;
 347                 } else if (folder->type == F_MBOX) {
 348                         if (cur_folder->type != F_MH &&
 349                             cur_folder->type != F_MBOX) break;
 350                 } else if (folder->type == F_IMAP) {
 351                         if (cur_folder->type != F_MH &&
 352                             cur_folder->type != F_MBOX &&
 353                             cur_folder->type != F_IMAP) break;
 354                 } else if (folder->type == F_NEWS) {
 355                         if (cur_folder->type != F_MH &&
 356                             cur_folder->type != F_MBOX &&
 357                             cur_folder->type != F_IMAP &&
 358                             cur_folder->type != F_NEWS) break;
 359                 }
 360         }
 361
 362         folder_list = g_list_insert(folder_list, folder, i);
 363 }
 364
 365 GList *folder_get_list(void)
 366 {
 367         return folder_list;
 368 }
 369
 370 gint folder_read_list(void)
 371 {
 372         GNode *node;
 373         XMLNode *xmlnode;
 374         gchar *path;
 375
 376         path = folder_get_list_path();
 377         if (!is_file_exist(path)) return -1;
 378         node = xml_parse_file(path);
 379         if (!node) return -1;
 380
 381         xmlnode = node->data;
 382         if (strcmp2(xmlnode->tag->tag, "folderlist") != 0) {
 383                 g_warning("wrong folder list\n");
 384                 xml_free_tree(node);
 385                 return -1;
 386         }
 387
 388         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, 2,
 389                         folder_read_folder_func, NULL);
 390
 391         xml_free_tree(node);
 392         if (folder_list)
 393                 return 0;
 394         else
 395                 return -1;
 396 }
 397
 398 void folder_write_list(void)
 399 {
 400         GList *list;
 401         Folder *folder;
 402         gchar *path;
 403         PrefFile *pfile;
 404
 405         path = folder_get_list_path();
 406         if ((pfile = prefs_write_open(path)) == NULL) return;
 407
 408         fprintf(pfile->fp, "<?xml version=\"1.0\" encoding=\"%s\"?>\n",
 409                 conv_get_current_charset_str());
 410         fputs("\n<folderlist>\n", pfile->fp);
 411
 412         for (list = folder_list; list != NULL; list = list->next) {
 413                 folder = list->data;
 414                 folder_write_list_recursive(folder->node, pfile->fp);
 415         }
 416
 417         fputs("</folderlist>\n", pfile->fp);
 418
 419         if (prefs_write_close(pfile) < 0)
 420                 g_warning("failed to write folder list.\n");
 421 }
 422
 423 gboolean folder_scan_tree_func(GNode *node, gpointer data)
 424 {
 425         GHashTable *pptable = (GHashTable *)data;
 426         FolderItem *item = (FolderItem *)node->data;
 427
 428         folder_item_restore_persist_prefs(item, pptable);
 429
 430         return FALSE;
 431 }
 432
 433 void folder_scan_tree(Folder *folder)
 434 {
 435         GHashTable *pptable;
 436
 437         if (!folder->scan_tree)
 438                 return;
 439
 440         pptable = folder_persist_prefs_new(folder);
 441         folder_tree_destroy(folder);
 442
 443         folder->scan_tree(folder);
 444
 445         g_node_traverse(folder->node, G_POST_ORDER, G_TRAVERSE_ALL, -1, folder_scan_tree_func, pptable);
 446         folder_persist_prefs_free(pptable);
 447
 448         prefs_matcher_read_config();
 449
 450         folder_write_list();
 451 }
 452
 453 FolderItem *folder_create_folder(FolderItem *parent, const gchar *name)
 454 {
 455         FolderItem *new_item;
 456
 457         new_item = parent->folder->create_folder(parent->folder, parent, name);
 458         if (new_item)
 459                 new_item->cache = msgcache_new();
 460
 461         return new_item;
 462 }
 463
 464 struct TotalMsgCount
 465 {
 466         guint new;
 467         guint unread;
 468         guint unreadmarked;
 469         guint total;
 470 };
 471
 472 struct FuncToAllFoldersData
 473 {
 474         FolderItemFunc  function;
 475         gpointer        data;
 476 };
 477
 478 static gboolean folder_func_to_all_folders_func(GNode *node, gpointer data)
 479 {
 480         FolderItem *item;
 481         struct FuncToAllFoldersData *function_data = (struct FuncToAllFoldersData *) data;
 482
 483         g_return_val_if_fail(node->data != NULL, FALSE);
 484
 485         item = FOLDER_ITEM(node->data);
 486         g_return_val_if_fail(item != NULL, FALSE);
 487
 488         function_data->function(item, function_data->data);
 489
 490         return FALSE;
 491 }
 492
 493 void folder_func_to_all_folders(FolderItemFunc function, gpointer data)
 494 {
 495         GList *list;
 496         Folder *folder;
 497         struct FuncToAllFoldersData function_data;
 498
 499         function_data.function = function;
 500         function_data.data = data;
 501
 502         for (list = folder_list; list != NULL; list = list->next) {
 503                 folder = FOLDER(list->data);
 504                 if (folder->node)
 505                         g_node_traverse(folder->node, G_PRE_ORDER,
 506                                         G_TRAVERSE_ALL, -1,
 507                                         folder_func_to_all_folders_func,
 508                                         &function_data);
 509         }
 510 }
 511
 512 static void folder_count_total_msgs_func(FolderItem *item, gpointer data)
 513 {
 514         struct TotalMsgCount *count = (struct TotalMsgCount *)data;
 515
 516         count->new += item->new;
 517         count->unread += item->unread;
 518         count->unreadmarked += item->unreadmarked;
 519         count->total += item->total;
 520 }
 521
 522 void folder_count_total_msgs(guint *new, guint *unread, guint *unreadmarked, guint *total)
 523 {
 524         struct TotalMsgCount count;
 525
 526         count.new = count.unread = count.unreadmarked = count.total = 0;
 527
 528         debug_print("Counting total number of messages...\n");
 529
 530         folder_func_to_all_folders(folder_count_total_msgs_func, &count);
 531
 532         *new = count.new;
 533         *unread = count.unread;
 534         *unreadmarked = count.unreadmarked;
 535         *total = count.total;
 536 }
 537
 538 Folder *folder_find_from_path(const gchar *path)
 539 {
 540         GList *list;
 541         Folder *folder;
 542
 543         for (list = folder_list; list != NULL; list = list->next) {
 544                 folder = list->data;
 545                 if ((folder->type == F_MH || folder->type == F_MBOX) &&
 546                     !path_cmp(LOCAL_FOLDER(folder)->rootpath, path))
 547                         return folder;
 548         }
 549
 550         return NULL;
 551 }
 552
 553 Folder *folder_find_from_name(const gchar *name, FolderType type)
 554 {
 555         GList *list;
 556         Folder *folder;
 557
 558         for (list = folder_list; list != NULL; list = list->next) {
 559                 folder = list->data;
 560                 if (folder->type == type && strcmp2(name, folder->name) == 0)
 561                         return folder;
 562         }
 563
 564         return NULL;
 565 }
 566
 567 static gboolean folder_item_find_func(GNode *node, gpointer data)
 568 {
 569         FolderItem *item = node->data;
 570         gpointer *d = data;
 571         const gchar *path = d[0];
 572
 573         if (path_cmp(path, item->path) != 0)
 574                 return FALSE;
 575
 576         d[1] = item;
 577
 578         return TRUE;
 579 }
 580
 581 FolderItem *folder_find_item_from_path(const gchar *path)
 582 {
 583         Folder *folder;
 584         gpointer d[2];
 585
 586         folder = folder_get_default_folder();
 587         g_return_val_if_fail(folder != NULL, NULL);
 588
 589         d[0] = (gpointer)path;
 590         d[1] = NULL;
 591         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 592                         folder_item_find_func, d);
 593         return d[1];
 594 }
 595
 596 static const struct {
 597         gchar *str;
 598         FolderType type;
 599 } type_str_table[] = {
 600         {"#mh"     , F_MH},
 601         {"#mbox"   , F_MBOX},
 602         {"#maildir", F_MAILDIR},
 603         {"#imap"   , F_IMAP},
 604         {"#news"   , F_NEWS}
 605 };
 606
 607 static gchar *folder_get_type_string(FolderType type)
 608 {
 609         gint i;
 610
 611         for (i = 0; i < sizeof(type_str_table) / sizeof(type_str_table[0]);
 612              i++) {
 613                 if (type_str_table[i].type == type)
 614                         return type_str_table[i].str;
 615         }
 616
 617         return NULL;
 618 }
 619
 620 static FolderType folder_get_type_from_string(const gchar *str)
 621 {
 622         gint i;
 623
 624         for (i = 0; i < sizeof(type_str_table) / sizeof(type_str_table[0]);
 625              i++) {
 626                 if (g_strcasecmp(type_str_table[i].str, str) == 0)
 627                         return type_str_table[i].type;
 628         }
 629
 630         return F_UNKNOWN;
 631 }
 632
 633 gchar *folder_get_identifier(Folder *folder)
 634 {
 635         gchar *type_str;
 636
 637         g_return_val_if_fail(folder != NULL, NULL);
 638
 639         type_str = folder_get_type_string(folder->type);
 640         return g_strconcat(type_str, "/", folder->name, NULL);
 641 }
 642
 643 gchar *folder_item_get_identifier(FolderItem *item)
 644 {
 645         gchar *id;
 646         gchar *folder_id;
 647
 648         g_return_val_if_fail(item != NULL, NULL);
 649         g_return_val_if_fail(item->path != NULL, NULL);
 650
 651         folder_id = folder_get_identifier(item->folder);
 652         id = g_strconcat(folder_id, "/", item->path, NULL);
 653         g_free(folder_id);
 654
 655         return id;
 656 }
 657
 658 FolderItem *folder_find_item_from_identifier(const gchar *identifier)
 659 {
 660         Folder *folder;
 661         gpointer d[2];
 662         gchar *str;
 663         gchar *p;
 664         gchar *name;
 665         gchar *path;
 666         FolderType type;
 667
 668         g_return_val_if_fail(identifier != NULL, NULL);
 669
 670         if (*identifier != '#')
 671                 return folder_find_item_from_path(identifier);
 672
 673         Xstrdup_a(str, identifier, return NULL);
 674
 675         p = strchr(str, '/');
 676         if (!p)
 677                 return folder_find_item_from_path(identifier);
 678         *p = '\0';
 679         p++;
 680         type = folder_get_type_from_string(str);
 681         if (type == F_UNKNOWN)
 682                 return folder_find_item_from_path(identifier);
 683
 684         name = p;
 685         p = strchr(p, '/');
 686         if (!p)
 687                 return folder_find_item_from_path(identifier);
 688         *p = '\0';
 689         p++;
 690
 691         folder = folder_find_from_name(name, type);
 692         if (!folder)
 693                 return folder_find_item_from_path(identifier);
 694
 695         path = p;
 696
 697         d[0] = (gpointer)path;
 698         d[1] = NULL;
 699         g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 700                         folder_item_find_func, d);
 701         return d[1];
 702 }
 703
 704 Folder *folder_get_default_folder(void)
 705 {
 706         return folder_list ? FOLDER(folder_list->data) : NULL;
 707 }
 708
 709 FolderItem *folder_get_default_inbox(void)
 710 {
 711         Folder *folder;
 712
 713         if (!folder_list) return NULL;
 714         folder = FOLDER(folder_list->data);
 715         g_return_val_if_fail(folder != NULL, NULL);
 716         return folder->inbox;
 717 }
 718
 719 FolderItem *folder_get_default_outbox(void)
 720 {
 721         Folder *folder;
 722
 723         if (!folder_list) return NULL;
 724         folder = FOLDER(folder_list->data);
 725         g_return_val_if_fail(folder != NULL, NULL);
 726         return folder->outbox;
 727 }
 728
 729 FolderItem *folder_get_default_draft(void)
 730 {
 731         Folder *folder;
 732
 733         if (!folder_list) return NULL;
 734         folder = FOLDER(folder_list->data);
 735         g_return_val_if_fail(folder != NULL, NULL);
 736         return folder->draft;
 737 }
 738
 739 FolderItem *folder_get_default_queue(void)
 740 {
 741         Folder *folder;
 742
 743         if (!folder_list) return NULL;
 744         folder = FOLDER(folder_list->data);
 745         g_return_val_if_fail(folder != NULL, NULL);
 746         return folder->queue;
 747 }
 748
 749 FolderItem *folder_get_default_trash(void)
 750 {
 751         Folder *folder;
 752
 753         if (!folder_list) return NULL;
 754         folder = FOLDER(folder_list->data);
 755         g_return_val_if_fail(folder != NULL, NULL);
 756         return folder->trash;
 757 }
 758
 759 #define CREATE_FOLDER_IF_NOT_EXIST(member, dir, type)           \
 760 {                                                               \
 761         if (!folder->member) {                                  \
 762                 item = folder_item_new(folder, dir, dir);       \
 763                 item->stype = type;                             \
 764                 folder_item_append(rootitem, item);             \
 765                 folder->member = item;                          \
 766         }                                                       \
 767 }
 768
 769 void folder_set_missing_folders(void)
 770 {
 771         Folder *folder;
 772         FolderItem *rootitem;
 773         FolderItem *item;
 774         GList *list;
 775
 776         for (list = folder_list; list != NULL; list = list->next) {
 777                 folder = list->data;
 778                 if (folder->type != F_MH) continue;
 779                 rootitem = FOLDER_ITEM(folder->node->data);
 780                 g_return_if_fail(rootitem != NULL);
 781
 782                 if (folder->inbox && folder->outbox && folder->draft &&
 783                     folder->queue && folder->trash)
 784                         continue;
 785
 786                 if (folder->create_tree(folder) < 0) {
 787                         g_warning("%s: can't create the folder tree.\n",
 788                                   LOCAL_FOLDER(folder)->rootpath);
 789                         continue;
 790                 }
 791
 792                 CREATE_FOLDER_IF_NOT_EXIST(inbox,  INBOX_DIR,  F_INBOX);
 793                 CREATE_FOLDER_IF_NOT_EXIST(outbox, OUTBOX_DIR, F_OUTBOX);
 794                 CREATE_FOLDER_IF_NOT_EXIST(draft,  DRAFT_DIR,  F_DRAFT);
 795                 CREATE_FOLDER_IF_NOT_EXIST(queue,  QUEUE_DIR,  F_QUEUE);
 796                 CREATE_FOLDER_IF_NOT_EXIST(trash,  TRASH_DIR,  F_TRASH);
 797         }
 798 }
 799
 800 static gboolean folder_unref_account_func(GNode *node, gpointer data)
 801 {
 802         FolderItem *item = node->data;
 803         PrefsAccount *account = data;
 804
 805         if (item->account == account)
 806                 item->account = NULL;
 807
 808         return FALSE;
 809 }
 810
 811 void folder_unref_account_all(PrefsAccount *account)
 812 {
 813         Folder *folder;
 814         GList *list;
 815
 816         if (!account) return;
 817
 818         for (list = folder_list; list != NULL; list = list->next) {
 819                 folder = list->data;
 820                 if (folder->account == account)
 821                         folder->account = NULL;
 822                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
 823                                 folder_unref_account_func, account);
 824         }
 825 }
 826
 827 #undef CREATE_FOLDER_IF_NOT_EXIST
 828
 829 gchar *folder_get_path(Folder *folder)
 830 {
 831         gchar *path;
 832
 833         g_return_val_if_fail(folder != NULL, NULL);
 834
 835         switch(FOLDER_TYPE(folder)) {
 836
 837                 case F_MH:
 838                         path = g_strdup(LOCAL_FOLDER(folder)->rootpath);
 839                         break;
 840
 841                 case F_IMAP:
 842                         g_return_val_if_fail(folder->account != NULL, NULL);
 843                         path = g_strconcat(get_imap_cache_dir(),
 844                                            G_DIR_SEPARATOR_S,
 845                                            folder->account->recv_server,
 846                                            G_DIR_SEPARATOR_S,
 847                                            folder->account->userid,
 848                                            NULL);
 849                         break;
 850
 851                 case F_NEWS:
 852                         g_return_val_if_fail(folder->account != NULL, NULL);
 853                         path = g_strconcat(get_news_cache_dir(),
 854                                            G_DIR_SEPARATOR_S,
 855                                            folder->account->nntp_server,
 856                                            NULL);
 857                         break;
 858
 859                 default:
 860                         path = NULL;
 861                         break;
 862         }
 863
 864         return path;
 865 }
 866
 867 gchar *folder_item_get_path(FolderItem *item)
 868 {
 869         gchar *folder_path;
 870         gchar *path;
 871
 872         g_return_val_if_fail(item != NULL, NULL);
 873
 874         if(FOLDER_TYPE(item->folder) != F_MBOX) {
 875                 folder_path = folder_get_path(item->folder);
 876                 g_return_val_if_fail(folder_path != NULL, NULL);
 877
 878                 if (folder_path[0] == G_DIR_SEPARATOR) {
 879                         if (item->path)
 880                                 path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
 881                                                    item->path, NULL);
 882                         else
 883                                 path = g_strdup(folder_path);
 884                 } else {
 885                         if (item->path)
 886                                 path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 887                                                    folder_path, G_DIR_SEPARATOR_S,
 888                                                    item->path, NULL);
 889                         else
 890                                 path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 891                                                    folder_path, NULL);
 892                 }
 893
 894                 g_free(folder_path);
 895         } else {
 896                 gchar *itempath;
 897
 898                 itempath = mbox_get_virtual_path(item);
 899                 if (itempath == NULL)
 900                         return NULL;
 901                 path = g_strconcat(get_mbox_cache_dir(),
 902                                           G_DIR_SEPARATOR_S, itempath, NULL);
 903                 g_free(itempath);
 904         }
 905         return path;
 906 }
 907
 908 void folder_item_set_default_flags(FolderItem *dest, MsgFlags *flags)
 909 {
 910         if (!(dest->stype == F_OUTBOX ||
 911               dest->stype == F_QUEUE  ||
 912               dest->stype == F_DRAFT  ||
 913               dest->stype == F_TRASH)) {
 914                 flags->perm_flags = MSG_NEW|MSG_UNREAD;
 915         } else {
 916                 flags->perm_flags = 0;
 917         }
 918         flags->tmp_flags = MSG_CACHED;
 919         if (dest->folder->type == F_MH) {
 920                 if (dest->stype == F_QUEUE) {
 921                         MSG_SET_TMP_FLAGS(*flags, MSG_QUEUED);
 922                 } else if (dest->stype == F_DRAFT) {
 923                         MSG_SET_TMP_FLAGS(*flags, MSG_DRAFT);
 924                 }
 925         } else if (dest->folder->type == F_IMAP) {
 926                 MSG_SET_TMP_FLAGS(*flags, MSG_IMAP);
 927         } else if (dest->folder->type == F_NEWS) {
 928                 MSG_SET_TMP_FLAGS(*flags, MSG_NEWS);
 929         }
 930 }
 931
 932 static gint folder_sort_cache_list_by_msgnum(gconstpointer a, gconstpointer b)
 933 {
 934         MsgInfo *msginfo_a = (MsgInfo *) a;
 935         MsgInfo *msginfo_b = (MsgInfo *) b;
 936
 937         return (msginfo_a->msgnum - msginfo_b->msgnum);
 938 }
 939
 940 static gint folder_sort_folder_list(gconstpointer a, gconstpointer b)
 941 {
 942         guint gint_a = GPOINTER_TO_INT(a);
 943         guint gint_b = GPOINTER_TO_INT(b);
 944
 945         return (gint_a - gint_b);
 946 }
 947
 948 gint folder_item_open(FolderItem *item)
 949 {
 950         if(((item->folder->type == F_IMAP) && !item->no_select) || (item->folder->type == F_NEWS)) {
 951                 folder_item_scan(item);
 952         }
 953
 954         /* Processing */
 955         if(item->prefs->processing != NULL) {
 956                 gchar *buf;
 957
 958                 buf = g_strdup_printf(_("Processing (%s)...\n"), item->path);
 959                 debug_print("%s\n", buf);
 960                 g_free(buf);
 961
 962                 folder_item_apply_processing(item);
 963
 964                 debug_print("done.\n");
 965         }
 966
 967         return 0;
 968 }
 969
 970 void folder_item_close(FolderItem *item)
 971 {
 972         GSList *mlist, *cur;
 973
 974         g_return_if_fail(item != NULL);
 975
 976         if (item->new) {
 977                 mlist = folder_item_get_msg_list(item);
 978                 for (cur = mlist ; cur != NULL ; cur = cur->next) {
 979                         MsgInfo * msginfo;
 980
 981                         msginfo = (MsgInfo *) cur->data;
 982                         if (MSG_IS_NEW(msginfo->flags))
 983                                 procmsg_msginfo_unset_flags(msginfo, MSG_NEW, 0);
 984                         procmsg_msginfo_free(msginfo);
 985                 }
 986                 g_slist_free(mlist);
 987         }
 988
 989         folder_item_write_cache(item);
 990
 991         folder_update_item(item, FALSE);
 992
 993 }
 994
 995 gint folder_item_scan(FolderItem *item)
 996 {
 997         Folder *folder;
 998         GSList *folder_list = NULL, *cache_list = NULL, *folder_list_cur, *cache_list_cur, *new_list = NULL;
 999         guint newcnt = 0, unreadcnt = 0, totalcnt = 0, unreadmarkedcnt = 0;
1000         guint cache_max_num, folder_max_num, cache_cur_num, folder_cur_num;
1001         gboolean contentchange = FALSE;
1002
1003         g_return_val_if_fail(item != NULL, -1);
1004         if (item->path == NULL) return -1;
1005
1006         folder = item->folder;
1007
1008         g_return_val_if_fail(folder != NULL, -1);
1009         g_return_val_if_fail(folder->get_num_list != NULL, -1);
1010
1011         debug_print("Scanning folder %s for cache changes.\n", item->path);
1012
1013         /* Get list of messages for folder and cache */
1014         if (folder->get_num_list(item->folder, item, &folder_list) < 0) {
1015                 debug_print("Error fetching list of message numbers\n");
1016                 return(-1);
1017         }
1018
1019         if (!folder->check_msgnum_validity ||
1020             folder->check_msgnum_validity(folder, item)) {
1021                 if (!item->cache)
1022                         folder_item_read_cache(item);
1023                 cache_list = msgcache_get_msg_list(item->cache);
1024         } else {
1025                 if (item->cache)
1026                         msgcache_destroy(item->cache);
1027                 item->cache = msgcache_new();
1028                 cache_list = NULL;
1029         }
1030
1031         /* Sort both lists */
1032         cache_list = g_slist_sort(cache_list, folder_sort_cache_list_by_msgnum);
1033         folder_list = g_slist_sort(folder_list, folder_sort_folder_list);
1034
1035         cache_list_cur = cache_list;
1036         folder_list_cur = folder_list;
1037
1038         if (cache_list_cur != NULL) {
1039                 GSList *cache_list_last;
1040
1041                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1042                 cache_list_last = g_slist_last(cache_list);
1043                 cache_max_num = ((MsgInfo *)cache_list_last->data)->msgnum;
1044         } else {
1045                 cache_cur_num = G_MAXINT;
1046                 cache_max_num = 0;
1047         }
1048
1049         if (folder_list_cur != NULL) {
1050                 GSList *folder_list_last;
1051
1052                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1053                 folder_list_last = g_slist_last(folder_list);
1054                 folder_max_num = GPOINTER_TO_INT(folder_list_last->data);
1055         } else {
1056                 folder_cur_num = G_MAXINT;
1057                 folder_max_num = 0;
1058         }
1059
1060         while ((cache_cur_num != G_MAXINT) || (folder_cur_num != G_MAXINT)) {
1061                 /*
1062                  *  Message only exists in the folder
1063                  *  Remember message for fetching
1064                  */
1065                 if (folder_cur_num < cache_cur_num) {
1066                         gboolean add = FALSE;
1067
1068                         switch(folder->type) {
1069                                 case F_NEWS:
1070                                         if (folder_cur_num < cache_max_num)
1071                                                 break;
1072
1073                                         if (prefs_common.max_articles == 0) {
1074                                                 add = TRUE;
1075                                         }
1076
1077                                         if (folder_max_num <= prefs_common.max_articles) {
1078                                                 add = TRUE;
1079                                         } else if (folder_cur_num > (folder_max_num - prefs_common.max_articles)) {
1080                                                 add = TRUE;
1081                                         }
1082                                         break;
1083                                 default:
1084                                         add = TRUE;
1085                                         break;
1086                         }
1087
1088                         if (add) {
1089                                 new_list = g_slist_prepend(new_list, GINT_TO_POINTER(folder_cur_num));
1090                                 debug_print("Remembered message %d for fetching\n", folder_cur_num);
1091                         }
1092
1093                         /* Move to next folder number */
1094                         folder_list_cur = folder_list_cur->next;
1095
1096                         if (folder_list_cur != NULL)
1097                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1098                         else
1099                                 folder_cur_num = G_MAXINT;
1100
1101                         contentchange = TRUE;
1102
1103                         continue;
1104                 }
1105
1106                 /*
1107                  *  Message only exists in the cache
1108                  *  Remove the message from the cache
1109                  */
1110                 if (cache_cur_num < folder_cur_num) {
1111                         msgcache_remove_msg(item->cache, cache_cur_num);
1112                         debug_print("Removed message %d from cache.\n", cache_cur_num);
1113
1114                         /* Move to next cache number */
1115                         cache_list_cur = cache_list_cur->next;
1116
1117                         if (cache_list_cur != NULL)
1118                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1119                         else
1120                                 cache_cur_num = G_MAXINT;
1121
1122                         contentchange = TRUE;
1123
1124                         continue;
1125                 }
1126
1127                 /*
1128                  *  Message number exists in folder and cache!
1129                  *  Check if the message has been modified
1130                  */
1131                 if (cache_cur_num == folder_cur_num) {
1132                         MsgInfo *msginfo;
1133
1134                         msginfo = msgcache_get_msg(item->cache, folder_cur_num);
1135                         if (folder->is_msg_changed && folder->is_msg_changed(folder, item, msginfo)) {
1136                                 MsgInfo *newmsginfo;
1137
1138                                 msgcache_remove_msg(item->cache, msginfo->msgnum);
1139
1140                                 if (NULL != (newmsginfo = folder->get_msginfo(folder, item, folder_cur_num))) {
1141                                         msgcache_add_msg(item->cache, newmsginfo);
1142                                         if (MSG_IS_NEW(newmsginfo->flags) && !MSG_IS_IGNORE_THREAD(newmsginfo->flags))
1143                                                 newcnt++;
1144                                         if (MSG_IS_UNREAD(newmsginfo->flags) && !MSG_IS_IGNORE_THREAD(newmsginfo->flags))
1145                                                 unreadcnt++;
1146                                         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
1147                                                 unreadmarkedcnt++;
1148                                         procmsg_msginfo_free(newmsginfo);
1149                                 }
1150
1151                                 debug_print("Updated msginfo for message %d.\n", folder_cur_num);
1152                         } else {
1153                                 if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1154                                         newcnt++;
1155                                 if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1156                                         unreadcnt++;
1157                                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1158                                         unreadmarkedcnt++;
1159                         }
1160                         totalcnt++;
1161                         procmsg_msginfo_free(msginfo);
1162
1163                         /* Move to next folder and cache number */
1164                         cache_list_cur = cache_list_cur->next;
1165                         folder_list_cur = folder_list_cur->next;
1166
1167                         if (cache_list_cur != NULL)
1168                                 cache_cur_num = ((MsgInfo *)cache_list_cur->data)->msgnum;
1169                         else
1170                                 cache_cur_num = G_MAXINT;
1171
1172                         if (folder_list_cur != NULL)
1173                                 folder_cur_num = GPOINTER_TO_INT(folder_list_cur->data);
1174                         else
1175                                 folder_cur_num = G_MAXINT;
1176
1177                         contentchange = TRUE;
1178
1179                         continue;
1180                 }
1181         }
1182
1183         for(cache_list_cur = cache_list; cache_list_cur != NULL; cache_list_cur = g_slist_next(cache_list_cur)) {
1184                 procmsg_msginfo_free((MsgInfo *) cache_list_cur->data);
1185         }
1186
1187         g_slist_free(cache_list);
1188         g_slist_free(folder_list);
1189
1190         if (folder->get_msginfos) {
1191                 GSList *elem;
1192                 GSList *newmsg_list;
1193                 MsgInfo *msginfo;
1194
1195                 if (new_list) {
1196                         newmsg_list = folder->get_msginfos(folder, item, new_list);
1197                         for (elem = newmsg_list; elem != NULL; elem = g_slist_next(elem)) {
1198                                 msginfo = (MsgInfo *) elem->data;
1199                                 msgcache_add_msg(item->cache, msginfo);
1200                                 if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1201                                         newcnt++;
1202                                 if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1203                                         unreadcnt++;
1204                                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1205                                         unreadmarkedcnt++;
1206                                 totalcnt++;
1207                                 procmsg_msginfo_free(msginfo);
1208                         }
1209                         g_slist_free(newmsg_list);
1210                 }
1211         } else if (folder->get_msginfo) {
1212                 GSList *elem;
1213
1214                 for (elem = new_list; elem != NULL; elem = g_slist_next(elem)) {
1215                         MsgInfo *msginfo;
1216                         guint num;
1217
1218                         num = GPOINTER_TO_INT(elem->data);
1219                         msginfo = folder->get_msginfo(folder, item, num);
1220                         if (msginfo != NULL) {
1221                                 msgcache_add_msg(item->cache, msginfo);
1222                                 if (MSG_IS_NEW(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1223                                     newcnt++;
1224                                 if (MSG_IS_UNREAD(msginfo->flags) && !MSG_IS_IGNORE_THREAD(msginfo->flags))
1225                                     unreadcnt++;
1226                                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1227                                         unreadmarkedcnt++;
1228                                 totalcnt++;
1229                                 procmsg_msginfo_free(msginfo);
1230                                 debug_print("Added newly found message %d to cache.\n", num);
1231                         }
1232                 }
1233         }
1234
1235         item->new = newcnt;
1236         item->unread = unreadcnt;
1237         item->total = totalcnt;
1238         item->unreadmarked = unreadmarkedcnt;
1239         g_slist_free(new_list);
1240
1241         folder_update_item(item, contentchange);
1242
1243         return 0;
1244 }
1245
1246 static void folder_item_scan_foreach_func(gpointer key, gpointer val,
1247                                           gpointer data)
1248 {
1249         folder_item_scan(FOLDER_ITEM(key));
1250 }
1251
1252 void folder_item_scan_foreach(GHashTable *table)
1253 {
1254         g_hash_table_foreach(table, folder_item_scan_foreach_func, NULL);
1255 }
1256
1257 void folder_count_total_cache_memusage(FolderItem *item, gpointer data)
1258 {
1259         gint *memusage = (gint *)data;
1260
1261         if (item->cache == NULL)
1262                 return;
1263
1264         *memusage += msgcache_get_memory_usage(item->cache);
1265 }
1266
1267 gint folder_cache_time_compare_func(gconstpointer a, gconstpointer b)
1268 {
1269         FolderItem *fa = (FolderItem *)a;
1270         FolderItem *fb = (FolderItem *)b;
1271
1272         return (gint) (msgcache_get_last_access_time(fa->cache) - msgcache_get_last_access_time(fb->cache));
1273 }
1274
1275 void folder_find_expired_caches(FolderItem *item, gpointer data)
1276 {
1277         GSList **folder_item_list = (GSList **)data;
1278         gint difftime, expiretime;
1279
1280         if (item->cache == NULL)
1281                 return;
1282
1283         if (item->opened > 0)
1284                 return;
1285
1286         difftime = (gint) (time(NULL) - msgcache_get_last_access_time(item->cache));
1287         expiretime = prefs_common.cache_min_keep_time * 60;
1288         debug_print("Cache unused time: %d (Expire time: %d)\n", difftime, expiretime);
1289         if (difftime > expiretime) {
1290                 *folder_item_list = g_slist_insert_sorted(*folder_item_list, item, folder_cache_time_compare_func);
1291         }
1292 }
1293
1294 void folder_item_free_cache(FolderItem *item)
1295 {
1296         g_return_if_fail(item != NULL);
1297
1298         if (item->cache == NULL)
1299                 return;
1300
1301         if (item->opened > 0)
1302                 return;
1303
1304         folder_item_write_cache(item);
1305         msgcache_destroy(item->cache);
1306         item->cache = NULL;
1307 }
1308
1309 void folder_clean_cache_memory()
1310 {
1311         gint memusage = 0;
1312
1313         folder_func_to_all_folders(folder_count_total_cache_memusage, &memusage);
1314         debug_print("Total cache memory usage: %d\n", memusage);
1315
1316         if (memusage > (prefs_common.cache_max_mem_usage * 1024)) {
1317                 GSList *folder_item_list = NULL, *listitem;
1318
1319                 debug_print("Trying to free cache memory\n");
1320
1321                 folder_func_to_all_folders(folder_find_expired_caches, &folder_item_list);
1322                 listitem = folder_item_list;
1323                 while((listitem != NULL) && (memusage > (prefs_common.cache_max_mem_usage * 1024))) {
1324                         FolderItem *item = (FolderItem *)(listitem->data);
1325
1326                         debug_print("Freeing cache memory for %s\n", item->path);
1327                         memusage -= msgcache_get_memory_usage(item->cache);
1328                         folder_item_free_cache(item);
1329                         listitem = listitem->next;
1330                 }
1331                 g_slist_free(folder_item_list);
1332         }
1333 }
1334
1335 void folder_item_read_cache(FolderItem *item)
1336 {
1337         gchar *cache_file, *mark_file;
1338
1339         g_return_if_fail(item != NULL);
1340
1341         cache_file = folder_item_get_cache_file(item);
1342         mark_file = folder_item_get_mark_file(item);
1343         item->cache = msgcache_read_cache(item, cache_file);
1344         if (!item->cache) {
1345                 item->cache = msgcache_new();
1346                 folder_item_scan(item);
1347         }
1348         msgcache_read_mark(item->cache, mark_file);
1349         g_free(cache_file);
1350         g_free(mark_file);
1351
1352         folder_clean_cache_memory();
1353 }
1354
1355 void folder_item_write_cache(FolderItem *item)
1356 {
1357         gchar *cache_file, *mark_file;
1358         PrefsFolderItem *prefs;
1359         gint filemode = 0;
1360         gchar *id;
1361
1362         if (!item || !item->path || !item->cache)
1363                 return;
1364
1365         id = folder_item_get_identifier(item);
1366         debug_print("Save cache for folder %s\n", id);
1367         g_free(id);
1368
1369         cache_file = folder_item_get_cache_file(item);
1370         mark_file = folder_item_get_mark_file(item);
1371         if (msgcache_write(cache_file, mark_file, item->cache) < 0) {
1372                 prefs = item->prefs;
1373                 if (prefs && prefs->enable_folder_chmod && prefs->folder_chmod) {
1374                         /* for cache file */
1375                         filemode = prefs->folder_chmod;
1376                         if (filemode & S_IRGRP) filemode |= S_IWGRP;
1377                         if (filemode & S_IROTH) filemode |= S_IWOTH;
1378                         chmod(cache_file, filemode);
1379                 }
1380         }
1381
1382         g_free(cache_file);
1383         g_free(mark_file);
1384 }
1385
1386 MsgInfo *folder_item_get_msginfo(FolderItem *item, gint num)
1387 {
1388         Folder *folder;
1389         MsgInfo *msginfo;
1390
1391         g_return_val_if_fail(item != NULL, NULL);
1392
1393         folder = item->folder;
1394         if (!item->cache)
1395                 folder_item_read_cache(item);
1396
1397         if ((msginfo = msgcache_get_msg(item->cache, num)) != NULL)
1398                 return msginfo;
1399
1400         g_return_val_if_fail(folder->get_msginfo, NULL);
1401         if ((msginfo = folder->get_msginfo(folder, item, num)) != NULL) {
1402                 msgcache_add_msg(item->cache, msginfo);
1403                 return msginfo;
1404         }
1405
1406         return NULL;
1407 }
1408
1409 MsgInfo *folder_item_get_msginfo_by_msgid(FolderItem *item, const gchar *msgid)
1410 {
1411         Folder *folder;
1412         MsgInfo *msginfo;
1413
1414         g_return_val_if_fail(item != NULL, NULL);
1415
1416         folder = item->folder;
1417         if (!item->cache)
1418                 folder_item_read_cache(item);
1419
1420         if ((msginfo = msgcache_get_msg_by_id(item->cache, msgid)) != NULL)
1421                 return msginfo;
1422
1423         return NULL;
1424 }
1425
1426 GSList *folder_item_get_msg_list(FolderItem *item)
1427 {
1428         g_return_val_if_fail(item != NULL, NULL);
1429
1430         if (item->cache == 0)
1431                 folder_item_read_cache(item);
1432
1433         g_return_val_if_fail(item->cache != NULL, NULL);
1434
1435         return msgcache_get_msg_list(item->cache);
1436 }
1437
1438 gchar *folder_item_fetch_msg(FolderItem *item, gint num)
1439 {
1440         Folder *folder;
1441
1442         g_return_val_if_fail(item != NULL, NULL);
1443
1444         folder = item->folder;
1445
1446         g_return_val_if_fail(folder->fetch_msg != NULL, NULL);
1447
1448         return folder->fetch_msg(folder, item, num);
1449 }
1450
1451 gint folder_item_add_msg(FolderItem *dest, const gchar *file,
1452                          gboolean remove_source)
1453 {
1454         Folder *folder;
1455         gint num;
1456         MsgInfo *msginfo;
1457
1458         g_return_val_if_fail(dest != NULL, -1);
1459         g_return_val_if_fail(file != NULL, -1);
1460
1461         folder = dest->folder;
1462
1463         g_return_val_if_fail(folder->add_msg != NULL, -1);
1464
1465         if (!dest->cache)
1466                 folder_item_read_cache(dest);
1467
1468         num = folder->add_msg(folder, dest, file, remove_source);
1469
1470         if (num > 0) {
1471                 msginfo = folder->get_msginfo(folder, dest, num);
1472
1473                 if (msginfo != NULL) {
1474                         if (MSG_IS_NEW(msginfo->flags))
1475                                 dest->new++;
1476                         if (MSG_IS_UNREAD(msginfo->flags))
1477                                 dest->unread++;
1478                         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1479                                 dest->unreadmarked++;
1480                         dest->total++;
1481                         dest->need_update = TRUE;
1482
1483                         msgcache_add_msg(dest->cache, msginfo);
1484
1485                         procmsg_msginfo_free(msginfo);
1486                 }
1487
1488                 dest->last_num = num;
1489         }
1490
1491         return num;
1492 }
1493
1494 /*
1495 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
1496 {
1497         Folder *folder;
1498         gint num;
1499
1500         g_return_val_if_fail(dest != NULL, -1);
1501         g_return_val_if_fail(msginfo != NULL, -1);
1502
1503         folder = dest->folder;
1504         if (dest->last_num < 0) folder->scan(folder, dest);
1505
1506         num = folder->move_msg(folder, dest, msginfo);
1507         if (num > 0) dest->last_num = num;
1508
1509         return num;
1510 }
1511 */
1512
1513 FolderItem *folder_item_move_recursive (FolderItem *src, FolderItem *dest)
1514 {
1515         GSList *mlist;
1516         GSList *cur;
1517         FolderItem *new_item;
1518         FolderItem *next_item;
1519         GNode *srcnode;
1520         int cnt = 0;
1521         mlist = folder_item_get_msg_list(src);
1522
1523         /* move messages */
1524         debug_print("Moving %s to %s\n", src->path, dest->path);
1525         new_item = folder_create_folder(dest, g_basename(src->path));
1526         if (new_item == NULL) {
1527                 printf("Can't create folder\n");
1528                 return NULL;
1529         }
1530
1531         statusbar_print_all(_("Moving %s to %s..."), src->name, new_item->path);
1532
1533         if (new_item->folder == NULL)
1534                 new_item->folder = dest->folder;
1535
1536         /* move messages */
1537         for (cur = mlist ; cur != NULL ; cur = cur->next) {
1538                 MsgInfo * msginfo;
1539                 cnt++;
1540                 if (cnt%500)
1541                         statusbar_print_all(_("Moving %s to %s (%d%%)..."), src->name,
1542                                         new_item->path,
1543                                         100*cnt/g_slist_length(mlist));
1544                 msginfo = (MsgInfo *) cur->data;
1545                 folder_item_move_msg(new_item, msginfo);
1546                 if (cnt%500)
1547                         statusbar_pop_all();
1548         }
1549
1550         /*copy prefs*/
1551         prefs_folder_item_copy_prefs(src, new_item);
1552         new_item->collapsed = src->collapsed;
1553         new_item->threaded  = src->threaded;
1554         new_item->ret_rcpt  = src->ret_rcpt;
1555         new_item->hide_read_msgs = src->hide_read_msgs;
1556         new_item->sort_key  = src->sort_key;
1557         new_item->sort_type = src->sort_type;
1558
1559         prefs_matcher_write_config();
1560
1561         /* recurse */
1562         srcnode = src->folder->node;
1563         srcnode = g_node_find(srcnode, G_PRE_ORDER, G_TRAVERSE_ALL, src);
1564         srcnode = srcnode->children;
1565         while (srcnode != NULL) {
1566                 if (srcnode && srcnode->data) {
1567                         next_item = (FolderItem*) srcnode->data;
1568                         if (folder_item_move_recursive(next_item, new_item) == NULL)
1569                                 return NULL;
1570                 }
1571                 srcnode = srcnode->next;
1572         }
1573         return new_item;
1574 }
1575
1576 gint folder_item_move_to(FolderItem *src, FolderItem *dest, FolderItem **new_item)
1577 {
1578         FolderItem *tmp = dest->parent;
1579         char * src_identifier, * dst_identifier, * new_identifier;
1580         char * phys_srcpath, * phys_dstpath;
1581         GNode *src_node;
1582
1583         while (tmp) {
1584                 if (tmp == src) {
1585                         return F_MOVE_FAILED_DEST_IS_CHILD;
1586                 }
1587                 tmp = tmp->parent;
1588         }
1589
1590         tmp = src->parent;
1591
1592         src_identifier = folder_item_get_identifier(src);
1593         dst_identifier = folder_item_get_identifier(dest);
1594
1595         if(dst_identifier == NULL && dest->folder && dest->parent == NULL) {
1596                 /* dest can be a root folder */
1597                 dst_identifier = folder_get_identifier(dest->folder);
1598         }
1599         if (src_identifier == NULL || dst_identifier == NULL) {
1600                 printf("Can't get identifiers\n");
1601                 return F_MOVE_FAILED;
1602         }
1603
1604         phys_srcpath = folder_item_get_path(src);
1605         phys_dstpath = g_strconcat(folder_item_get_path(dest),G_DIR_SEPARATOR_S,g_basename(phys_srcpath),NULL);
1606
1607         if (src->parent == dest) {
1608                 g_free(src_identifier);
1609                 g_free(dst_identifier);
1610                 g_free(phys_srcpath);
1611                 g_free(phys_dstpath);
1612                 return F_MOVE_FAILED_DEST_IS_PARENT;
1613         }
1614         debug_print("moving \"%s\" to \"%s\"\n", phys_srcpath, phys_dstpath);
1615         if ((tmp = folder_item_move_recursive(src, dest)) == NULL) {
1616                 return F_MOVE_FAILED;
1617         }
1618
1619         /* update rules */
1620         src->folder->remove_folder(src->folder, src);
1621         src_node = g_node_find(src->folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, src);
1622         if (src_node)
1623                 g_node_destroy(src_node);
1624         else
1625                 debug_print("can't remove node: it's null!\n");
1626         /* not to much worry if remove fails, move has been done */
1627
1628         debug_print("updating rules ....\n");
1629         new_identifier = g_strconcat(dst_identifier, G_DIR_SEPARATOR_S, g_basename(phys_srcpath), NULL);
1630         prefs_filtering_rename_path(src_identifier, new_identifier);
1631
1632         folder_write_list();
1633
1634         g_free(src_identifier);
1635         g_free(dst_identifier);
1636         g_free(new_identifier);
1637         g_free(phys_srcpath);
1638         g_free(phys_dstpath);
1639
1640         *new_item = tmp;
1641
1642         return F_MOVE_OK;
1643 }
1644
1645 gint folder_item_move_msg(FolderItem *dest, MsgInfo *msginfo)
1646 {
1647         Folder *folder;
1648         gint num;
1649         Folder *src_folder;
1650
1651         g_return_val_if_fail(dest != NULL, -1);
1652         g_return_val_if_fail(msginfo != NULL, -1);
1653
1654         folder = dest->folder;
1655
1656         g_return_val_if_fail(folder->remove_msg != NULL, -1);
1657         g_return_val_if_fail(folder->copy_msg != NULL, -1);
1658
1659         if (!dest->cache) folder_item_read_cache(dest);
1660
1661         src_folder = msginfo->folder->folder;
1662
1663         num = folder->copy_msg(folder, dest, msginfo);
1664
1665         if (num != -1) {
1666                 MsgInfo *newmsginfo;
1667
1668                 /* Add new msginfo to dest folder */
1669                 if (NULL != (newmsginfo = folder->get_msginfo(folder, dest, num))) {
1670                         newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1671
1672                         if (dest->stype == F_OUTBOX || dest->stype == F_QUEUE  ||
1673                             dest->stype == F_DRAFT  || dest->stype == F_TRASH)
1674                                 MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
1675                                                      MSG_NEW|MSG_UNREAD|MSG_DELETED);
1676                         msgcache_add_msg(dest->cache, newmsginfo);
1677
1678                         if (MSG_IS_NEW(newmsginfo->flags))
1679                                 dest->new++;
1680                         if (MSG_IS_UNREAD(newmsginfo->flags))
1681                                 dest->unread++;
1682                         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
1683                                 dest->unreadmarked++;
1684                         dest->total++;
1685                         dest->need_update = TRUE;
1686
1687                         procmsg_msginfo_free(newmsginfo);
1688                 }
1689
1690                 /* remove source message from it's folder */
1691                 if (src_folder->remove_msg) {
1692                         src_folder->remove_msg(src_folder, msginfo->folder,
1693                                                msginfo->msgnum);
1694                         msgcache_remove_msg(msginfo->folder->cache, msginfo->msgnum);
1695
1696                         if (MSG_IS_NEW(msginfo->flags))
1697                                 msginfo->folder->new--;
1698                         if (MSG_IS_UNREAD(msginfo->flags))
1699                                 msginfo->folder->unread--;
1700                         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1701                                 msginfo->folder->unreadmarked--;
1702                         msginfo->folder->total--;
1703                         msginfo->folder->need_update = TRUE;
1704                 }
1705         }
1706
1707         if (folder->finished_copy)
1708                 folder->finished_copy(folder, dest);
1709
1710         return num;
1711 }
1712
1713 /*
1714 gint folder_item_move_msgs_with_dest(FolderItem *dest, GSList *msglist)
1715 {
1716         Folder *folder;
1717         gint num;
1718
1719         g_return_val_if_fail(dest != NULL, -1);
1720         g_return_val_if_fail(msglist != NULL, -1);
1721
1722         folder = dest->folder;
1723         if (dest->last_num < 0) folder->scan(folder, dest);
1724
1725         num = folder->move_msgs_with_dest(folder, dest, msglist);
1726         if (num > 0) dest->last_num = num;
1727         else dest->op_count = 0;
1728
1729         return num;
1730 }
1731 */
1732
1733 gint folder_item_move_msgs_with_dest(FolderItem *dest, GSList *msglist)
1734 {
1735         Folder *folder;
1736         FolderItem *item;
1737         GSList *newmsgnums = NULL;
1738         GSList *l, *l2;
1739         gint num;
1740
1741         g_return_val_if_fail(dest != NULL, -1);
1742         g_return_val_if_fail(msglist != NULL, -1);
1743
1744         folder = dest->folder;
1745
1746         g_return_val_if_fail(folder->copy_msg != NULL, -1);
1747         g_return_val_if_fail(folder->remove_msg != NULL, -1);
1748
1749         /*
1750          * Copy messages to destination folder and
1751          * store new message numbers in newmsgnums
1752          */
1753         item = NULL;
1754         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
1755                 MsgInfo * msginfo = (MsgInfo *) l->data;
1756
1757                 if (!item && msginfo->folder != NULL)
1758                         item = msginfo->folder;
1759
1760                 num = folder->copy_msg(folder, dest, msginfo);
1761                 newmsgnums = g_slist_append(newmsgnums, GINT_TO_POINTER(num));
1762         }
1763
1764         /* Read cache for dest folder */
1765         if (!dest->cache) folder_item_read_cache(dest);
1766
1767         /*
1768          * Fetch new MsgInfos for new messages in dest folder,
1769          * add them to the msgcache and update folder message counts
1770          */
1771         l2 = newmsgnums;
1772         for (l = msglist; l != NULL; l = g_slist_next(l)) {
1773                 MsgInfo *msginfo = (MsgInfo *) l->data;
1774
1775                 num = GPOINTER_TO_INT(l2->data);
1776
1777                 if (num != -1) {
1778                         MsgInfo *newmsginfo;
1779
1780                         newmsginfo = folder->get_msginfo(folder, dest, num);
1781                         if (newmsginfo) {
1782                                 newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1783                                 if (dest->stype == F_OUTBOX ||
1784                                     dest->stype == F_QUEUE  ||
1785                                     dest->stype == F_DRAFT  ||
1786                                     dest->stype == F_TRASH)
1787                                         MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
1788                                                              MSG_NEW|MSG_UNREAD|MSG_DELETED);
1789                                 msgcache_add_msg(dest->cache, newmsginfo);
1790
1791                                 if (MSG_IS_NEW(newmsginfo->flags))
1792                                         dest->new++;
1793                                 if (MSG_IS_UNREAD(newmsginfo->flags))
1794                                         dest->unread++;
1795                                 if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
1796                                         dest->unreadmarked++;
1797                                 dest->total++;
1798                                 dest->need_update = TRUE;
1799
1800                                 procmsg_msginfo_free(newmsginfo);
1801                         }
1802                 }
1803                 l2 = g_slist_next(l2);
1804         }
1805
1806         /*
1807          * Remove source messages from their folders if
1808          * copying was successfull and update folder
1809          * message counts
1810          */
1811         l2 = newmsgnums;
1812         for (l = msglist; l != NULL; l = g_slist_next(l)) {
1813                 MsgInfo *msginfo = (MsgInfo *) l->data;
1814
1815                 num = GPOINTER_TO_INT(l2->data);
1816
1817                 if (num != -1) {
1818                         item->folder->remove_msg(item->folder,
1819                                                  msginfo->folder,
1820                                                  msginfo->msgnum);
1821                         if (!item->cache)
1822                                 folder_item_read_cache(item);
1823                         msgcache_remove_msg(item->cache, msginfo->msgnum);
1824
1825                         if (MSG_IS_NEW(msginfo->flags))
1826                                 msginfo->folder->new--;
1827                         if (MSG_IS_UNREAD(msginfo->flags))
1828                                 msginfo->folder->unread--;
1829                         if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
1830                                 msginfo->folder->unreadmarked--;
1831                         msginfo->folder->total--;
1832                         msginfo->folder->need_update = TRUE;
1833                 }
1834
1835                 l2 = g_slist_next(l2);
1836         }
1837
1838
1839         if (folder->finished_copy)
1840                 folder->finished_copy(folder, dest);
1841
1842         g_slist_free(newmsgnums);
1843         return dest->last_num;
1844 }
1845
1846 /*
1847 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
1848 {
1849         Folder *folder;
1850         gint num;
1851
1852         g_return_val_if_fail(dest != NULL, -1);
1853         g_return_val_if_fail(msginfo != NULL, -1);
1854
1855         folder = dest->folder;
1856         if (dest->last_num < 0) folder->scan(folder, dest);
1857
1858         num = folder->copy_msg(folder, dest, msginfo);
1859         if (num > 0) dest->last_num = num;
1860
1861         return num;
1862 }
1863 */
1864
1865 gint folder_item_copy_msg(FolderItem *dest, MsgInfo *msginfo)
1866 {
1867         Folder *folder;
1868         gint num;
1869
1870         g_return_val_if_fail(dest != NULL, -1);
1871         g_return_val_if_fail(msginfo != NULL, -1);
1872
1873         folder = dest->folder;
1874
1875         g_return_val_if_fail(folder->copy_msg != NULL, -1);
1876
1877         if (!dest->cache) folder_item_read_cache(dest);
1878
1879         num = folder->copy_msg(folder, dest, msginfo);
1880         if (num != -1) {
1881                 MsgInfo *newmsginfo;
1882
1883                 if (NULL != (newmsginfo = folder->get_msginfo(folder, dest, num))) {
1884                         newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1885                         if (dest->stype == F_OUTBOX ||
1886                             dest->stype == F_QUEUE  ||
1887                             dest->stype == F_DRAFT  ||
1888                             dest->stype == F_TRASH)
1889                                 MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
1890                                                      MSG_NEW|MSG_UNREAD|MSG_DELETED);
1891                         msgcache_add_msg(dest->cache, newmsginfo);
1892
1893                         if (MSG_IS_NEW(newmsginfo->flags))
1894                                 dest->new++;
1895                         if (MSG_IS_UNREAD(newmsginfo->flags))
1896                                 dest->unread++;
1897                         if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
1898                                 dest->unreadmarked++;
1899                         dest->total++;
1900                         dest->need_update = TRUE;
1901
1902                         procmsg_msginfo_free(newmsginfo);
1903                 }
1904         }
1905
1906         if (folder->finished_copy)
1907                 folder->finished_copy(folder, dest);
1908
1909         return num;
1910 }
1911
1912 /*
1913 gint folder_item_copy_msgs_with_dest(FolderItem *dest, GSList *msglist)
1914 {
1915         Folder *folder;
1916         gint num;
1917
1918         g_return_val_if_fail(dest != NULL, -1);
1919         g_return_val_if_fail(msglist != NULL, -1);
1920
1921         folder = dest->folder;
1922         if (dest->last_num < 0) folder->scan(folder, dest);
1923
1924         num = folder->copy_msgs_with_dest(folder, dest, msglist);
1925         if (num > 0) dest->last_num = num;
1926         else dest->op_count = 0;
1927
1928         return num;
1929 }
1930 */
1931
1932 gint folder_item_copy_msgs_with_dest(FolderItem *dest, GSList *msglist)
1933 {
1934         Folder *folder;
1935         gint num;
1936         GSList *newmsgnums = NULL;
1937         GSList *l, *l2;
1938
1939         g_return_val_if_fail(dest != NULL, -1);
1940         g_return_val_if_fail(msglist != NULL, -1);
1941
1942         folder = dest->folder;
1943
1944         g_return_val_if_fail(folder->copy_msg != NULL, -1);
1945
1946         /*
1947          * Copy messages to destination folder and
1948          * store new message numbers in newmsgnums
1949          */
1950         for (l = msglist ; l != NULL ; l = g_slist_next(l)) {
1951                 MsgInfo * msginfo = (MsgInfo *) l->data;
1952
1953                 num = folder->copy_msg(folder, dest, msginfo);
1954                 newmsgnums = g_slist_append(newmsgnums, GINT_TO_POINTER(num));
1955         }
1956
1957         /* Read cache for dest folder */
1958         if (!dest->cache) folder_item_read_cache(dest);
1959
1960         /*
1961          * Fetch new MsgInfos for new messages in dest folder,
1962          * add them to the msgcache and update folder message counts
1963          */
1964         l2 = newmsgnums;
1965         for (l = msglist; l != NULL; l = g_slist_next(l)) {
1966                 MsgInfo *msginfo = (MsgInfo *) l->data;
1967
1968                 num = GPOINTER_TO_INT(l2->data);
1969
1970                 if (num != -1) {
1971                         MsgInfo *newmsginfo;
1972
1973                         newmsginfo = folder->get_msginfo(folder, dest, num);
1974                         if (newmsginfo) {
1975                                 newmsginfo->flags.perm_flags = msginfo->flags.perm_flags;
1976                                 if (dest->stype == F_OUTBOX ||
1977                                     dest->stype == F_QUEUE  ||
1978                                     dest->stype == F_DRAFT  ||
1979                                     dest->stype == F_TRASH)
1980                                         MSG_UNSET_PERM_FLAGS(newmsginfo->flags,
1981                                                              MSG_NEW|MSG_UNREAD|MSG_DELETED);
1982                                 msgcache_add_msg(dest->cache, newmsginfo);
1983
1984                                 if (MSG_IS_NEW(newmsginfo->flags))
1985                                         dest->new++;
1986                                 if (MSG_IS_UNREAD(newmsginfo->flags))
1987                                         dest->unread++;
1988                                 if (MSG_IS_UNREAD(newmsginfo->flags) && procmsg_msg_has_marked_parent(newmsginfo))
1989                                         dest->unreadmarked++;
1990                                 dest->total++;
1991                                 dest->need_update = TRUE;
1992
1993                                 procmsg_msginfo_free(newmsginfo);
1994                         }
1995                 }
1996                 l2 = g_slist_next(l2);
1997         }
1998
1999         if (folder->finished_copy)
2000                 folder->finished_copy(folder, dest);
2001
2002         g_slist_free(newmsgnums);
2003         return dest->last_num;
2004 }
2005
2006 gint folder_item_remove_msg(FolderItem *item, gint num)
2007 {
2008         Folder *folder;
2009         gint ret;
2010         MsgInfo *msginfo;
2011
2012         g_return_val_if_fail(item != NULL, -1);
2013
2014         folder = item->folder;
2015         if (!item->cache) folder_item_read_cache(item);
2016
2017         ret = folder->remove_msg(folder, item, num);
2018
2019         msginfo = msgcache_get_msg(item->cache, num);
2020         if (msginfo != NULL) {
2021                 if (MSG_IS_NEW(msginfo->flags))
2022                         item->new--;
2023                 if (MSG_IS_UNREAD(msginfo->flags))
2024                         item->unread--;
2025                 if (MSG_IS_UNREAD(msginfo->flags) && procmsg_msg_has_marked_parent(msginfo))
2026                         item->unreadmarked--;
2027                 procmsg_msginfo_free(msginfo);
2028                 msgcache_remove_msg(item->cache, num);
2029         }
2030         item->total--;
2031         item->need_update = TRUE;
2032
2033         return ret;
2034 }
2035
2036 gint folder_item_remove_msgs(FolderItem *item, GSList *msglist)
2037 {
2038         Folder *folder;
2039         gint ret = 0;
2040
2041         g_return_val_if_fail(item != NULL, -1);
2042         folder = item->folder;
2043         g_return_val_if_fail(folder != NULL, -1);
2044
2045         if (!item->cache) folder_item_read_cache(item);
2046
2047         if (folder->remove_msgs) {
2048                 ret = folder->remove_msgs(folder, item, msglist);
2049                 if (ret == 0)
2050                         folder_item_scan(item);
2051                 return ret;
2052         }
2053
2054         while (msglist != NULL) {
2055                 MsgInfo *msginfo = (MsgInfo *)msglist->data;
2056
2057                 ret = folder_item_remove_msg(item, msginfo->msgnum);
2058                 if (ret != 0) break;
2059                 msgcache_remove_msg(item->cache, msginfo->msgnum);
2060                 msglist = msglist->next;
2061         }
2062
2063         return ret;
2064 }
2065
2066 gint folder_item_remove_all_msg(FolderItem *item)
2067 {
2068         Folder *folder;
2069         gint result;
2070
2071         g_return_val_if_fail(item != NULL, -1);
2072
2073         folder = item->folder;
2074
2075         g_return_val_if_fail(folder->remove_all_msg != NULL, -1);
2076
2077         result = folder->remove_all_msg(folder, item);
2078
2079         if (result == 0) {
2080                 if (folder->finished_remove)
2081                         folder->finished_remove(folder, item);
2082
2083                 folder_item_free_cache(item);
2084                 item->cache = msgcache_new();
2085
2086                 item->new = 0;
2087                 item->unread = 0;
2088                 item->unreadmarked = 0;
2089                 item->total = 0;
2090                 item->need_update = TRUE;
2091         }
2092
2093         return result;
2094 }
2095
2096 gboolean folder_item_is_msg_changed(FolderItem *item, MsgInfo *msginfo)
2097 {
2098         Folder *folder;
2099
2100         g_return_val_if_fail(item != NULL, FALSE);
2101
2102         folder = item->folder;
2103
2104         g_return_val_if_fail(folder->is_msg_changed != NULL, -1);
2105
2106         return folder->is_msg_changed(folder, item, msginfo);
2107 }
2108
2109 gchar *folder_item_get_cache_file(FolderItem *item)
2110 {
2111         gchar *path;
2112         gchar *file;
2113
2114         g_return_val_if_fail(item != NULL, NULL);
2115         g_return_val_if_fail(item->path != NULL, NULL);
2116
2117         path = folder_item_get_path(item);
2118         g_return_val_if_fail(path != NULL, NULL);
2119         if (!is_dir_exist(path))
2120                 make_dir_hier(path);
2121         file = g_strconcat(path, G_DIR_SEPARATOR_S, CACHE_FILE, NULL);
2122         g_free(path);
2123
2124         return file;
2125 }
2126
2127 gchar *folder_item_get_mark_file(FolderItem *item)
2128 {
2129         gchar *path;
2130         gchar *file;
2131
2132         g_return_val_if_fail(item != NULL, NULL);
2133         g_return_val_if_fail(item->path != NULL, NULL);
2134
2135         path = folder_item_get_path(item);
2136         g_return_val_if_fail(path != NULL, NULL);
2137         if (!is_dir_exist(path))
2138                 make_dir_hier(path);
2139         file = g_strconcat(path, G_DIR_SEPARATOR_S, MARK_FILE, NULL);
2140         g_free(path);
2141
2142         return file;
2143 }
2144
2145 static gboolean folder_build_tree(GNode *node, gpointer data)
2146 {
2147         Folder *folder = FOLDER(data);
2148         FolderItem *item;
2149         XMLNode *xmlnode;
2150         GList *list;
2151         SpecialFolderItemType stype = F_NORMAL;
2152         const gchar *name = NULL;
2153         const gchar *path = NULL;
2154         PrefsAccount *account = NULL;
2155         gboolean no_sub = FALSE, no_select = FALSE, collapsed = FALSE,
2156                  threaded = TRUE, apply_sub = FALSE;
2157         gboolean ret_rcpt = FALSE, hidereadmsgs = FALSE; /* CLAWS */
2158         FolderSortKey sort_key = SORT_BY_NONE;
2159         FolderSortType sort_type = SORT_ASCENDING;
2160         gint new = 0, unread = 0, total = 0, unreadmarked = 0;
2161         time_t mtime = 0;
2162
2163         g_return_val_if_fail(node->data != NULL, FALSE);
2164         if (!node->parent) return FALSE;
2165
2166         xmlnode = node->data;
2167         if (strcmp2(xmlnode->tag->tag, "folderitem") != 0) {
2168                 g_warning("tag name != \"folderitem\"\n");
2169                 return FALSE;
2170         }
2171
2172         list = xmlnode->tag->attr;
2173         for (; list != NULL; list = list->next) {
2174                 XMLAttr *attr = list->data;
2175
2176                 if (!attr || !attr->name || !attr->value) continue;
2177                 if (!strcmp(attr->name, "type")) {
2178                         if (!strcasecmp(attr->value, "normal"))
2179                                 stype = F_NORMAL;
2180                         else if (!strcasecmp(attr->value, "inbox"))
2181                                 stype = F_INBOX;
2182                         else if (!strcasecmp(attr->value, "outbox"))
2183                                 stype = F_OUTBOX;
2184                         else if (!strcasecmp(attr->value, "draft"))
2185                                 stype = F_DRAFT;
2186                         else if (!strcasecmp(attr->value, "queue"))
2187                                 stype = F_QUEUE;
2188                         else if (!strcasecmp(attr->value, "trash"))
2189                                 stype = F_TRASH;
2190                 } else if (!strcmp(attr->name, "name"))
2191                         name = attr->value;
2192                 else if (!strcmp(attr->name, "path"))
2193                         path = attr->value;
2194                 else if (!strcmp(attr->name, "mtime"))
2195                         mtime = strtoul(attr->value, NULL, 10);
2196                 else if (!strcmp(attr->name, "new"))
2197                         new = atoi(attr->value);
2198                 else if (!strcmp(attr->name, "unread"))
2199                         unread = atoi(attr->value);
2200                 else if (!strcmp(attr->name, "unreadmarked"))
2201                         unreadmarked = atoi(attr->value);
2202                 else if (!strcmp(attr->name, "total"))
2203                         total = atoi(attr->value);
2204                 else if (!strcmp(attr->name, "no_sub"))
2205                         no_sub = *attr->value == '1' ? TRUE : FALSE;
2206                 else if (!strcmp(attr->name, "no_select"))
2207                         no_select = *attr->value == '1' ? TRUE : FALSE;
2208                 else if (!strcmp(attr->name, "collapsed"))
2209                         collapsed = *attr->value == '1' ? TRUE : FALSE;
2210                 else if (!strcmp(attr->name, "threaded"))
2211                         threaded =  *attr->value == '1' ? TRUE : FALSE;
2212                 else if (!strcmp(attr->name, "hidereadmsgs"))
2213                         hidereadmsgs =  *attr->value == '1' ? TRUE : FALSE;
2214                 else if (!strcmp(attr->name, "reqretrcpt"))
2215                         ret_rcpt =  *attr->value == '1' ? TRUE : FALSE;
2216                 else if (!strcmp(attr->name, "sort_key")) {
2217                         if (!strcmp(attr->value, "none"))
2218                                 sort_key = SORT_BY_NONE;
2219                         else if (!strcmp(attr->value, "number"))
2220                                 sort_key = SORT_BY_NUMBER;
2221                         else if (!strcmp(attr->value, "size"))
2222                                 sort_key = SORT_BY_SIZE;
2223                         else if (!strcmp(attr->value, "date"))
2224                                 sort_key = SORT_BY_DATE;
2225                         else if (!strcmp(attr->value, "from"))
2226                                 sort_key = SORT_BY_FROM;
2227                         else if (!strcmp(attr->value, "subject"))
2228                                 sort_key = SORT_BY_SUBJECT;
2229                         else if (!strcmp(attr->value, "score"))
2230                                 sort_key = SORT_BY_SCORE;
2231                         else if (!strcmp(attr->value, "label"))
2232                                 sort_key = SORT_BY_LABEL;
2233                         else if (!strcmp(attr->value, "mark"))
2234                                 sort_key = SORT_BY_MARK;
2235                         else if (!strcmp(attr->value, "unread"))
2236                                 sort_key = SORT_BY_UNREAD;
2237                         else if (!strcmp(attr->value, "mime"))
2238                                 sort_key = SORT_BY_MIME;
2239                         else if (!strcmp(attr->value, "locked"))
2240                                 sort_key = SORT_BY_LOCKED;
2241                 } else if (!strcmp(attr->name, "sort_type")) {
2242                         if (!strcmp(attr->value, "ascending"))
2243                                 sort_type = SORT_ASCENDING;
2244                         else
2245                                 sort_type = SORT_DESCENDING;
2246                 } else if (!strcmp(attr->name, "account_id")) {
2247                         account = account_find_from_id(atoi(attr->value));
2248                         if (!account) g_warning("account_id: %s not found\n",
2249                                                 attr->value);
2250                 } else if (!strcmp(attr->name, "apply_sub"))
2251                         apply_sub = *attr->value == '1' ? TRUE : FALSE;
2252         }
2253
2254         item = folder_item_new(folder, name, path);
2255         item->stype = stype;
2256         item->mtime = mtime;
2257         item->new = new;
2258         item->unread = unread;
2259         item->unreadmarked = unreadmarked;
2260         item->total = total;
2261         item->no_sub = no_sub;
2262         item->no_select = no_select;
2263         item->collapsed = collapsed;
2264         item->threaded  = threaded;
2265         item->hide_read_msgs  = hidereadmsgs;
2266         item->ret_rcpt  = ret_rcpt;
2267         item->sort_key  = sort_key;
2268         item->sort_type = sort_type;
2269         item->parent = FOLDER_ITEM(node->parent->data);
2270         item->folder = folder;
2271         switch (stype) {
2272         case F_INBOX:  folder->inbox  = item; break;
2273         case F_OUTBOX: folder->outbox = item; break;
2274         case F_DRAFT:  folder->draft  = item; break;
2275         case F_QUEUE:  folder->queue  = item; break;
2276         case F_TRASH:  folder->trash  = item; break;
2277         default:       break;
2278         }
2279         item->account = account;
2280         item->apply_sub = apply_sub;
2281         prefs_folder_item_read_config(item);
2282
2283         node->data = item;
2284         xml_free_node(xmlnode);
2285
2286         return FALSE;
2287 }
2288
2289 static gboolean folder_read_folder_func(GNode *node, gpointer data)
2290 {
2291         Folder *folder;
2292         XMLNode *xmlnode;
2293         GList *list;
2294         FolderType type = F_UNKNOWN;
2295         const gchar *name = NULL;
2296         const gchar *path = NULL;
2297         PrefsAccount *account = NULL;
2298         gboolean collapsed = FALSE, threaded = TRUE, apply_sub = FALSE;
2299         gboolean ret_rcpt = FALSE; /* CLAWS */
2300
2301         if (g_node_depth(node) != 2) return FALSE;
2302         g_return_val_if_fail(node->data != NULL, FALSE);
2303
2304         xmlnode = node->data;
2305         if (strcmp2(xmlnode->tag->tag, "folder") != 0) {
2306                 g_warning("tag name != \"folder\"\n");
2307                 return TRUE;
2308         }
2309         g_node_unlink(node);
2310         list = xmlnode->tag->attr;
2311         for (; list != NULL; list = list->next) {
2312                 XMLAttr *attr = list->data;
2313
2314                 if (!attr || !attr->name || !attr->value) continue;
2315                 if (!strcmp(attr->name, "type")) {
2316                         if (!strcasecmp(attr->value, "mh"))
2317                                 type = F_MH;
2318                         else if (!strcasecmp(attr->value, "mbox"))
2319                                 type = F_MBOX;
2320                         else if (!strcasecmp(attr->value, "maildir"))
2321                                 type = F_MAILDIR;
2322                         else if (!strcasecmp(attr->value, "imap"))
2323                                 type = F_IMAP;
2324                         else if (!strcasecmp(attr->value, "news"))
2325                                 type = F_NEWS;
2326                 } else if (!strcmp(attr->name, "name"))
2327                         name = attr->value;
2328                 else if (!strcmp(attr->name, "path"))
2329                         path = attr->value;
2330                 else if (!strcmp(attr->name, "collapsed"))
2331                         collapsed = *attr->value == '1' ? TRUE : FALSE;
2332                 else if (!strcmp(attr->name, "threaded"))
2333                         threaded = *attr->value == '1' ? TRUE : FALSE;
2334                 else if (!strcmp(attr->name, "account_id")) {
2335                         account = account_find_from_id(atoi(attr->value));
2336                         if (!account) g_warning("account_id: %s not found\n",
2337                                                 attr->value);
2338                 } else if (!strcmp(attr->name, "apply_sub"))
2339                         apply_sub = *attr->value == '1' ? TRUE : FALSE;
2340                 else if (!strcmp(attr->name, "reqretrcpt"))
2341                         ret_rcpt = *attr->value == '1' ? TRUE : FALSE;
2342         }
2343
2344         folder = folder_new(type, name, path);
2345         g_return_val_if_fail(folder != NULL, FALSE);
2346         folder->account = account;
2347         if (account && (type == F_IMAP || type == F_NEWS))
2348                 account->folder = REMOTE_FOLDER(folder);
2349         node->data = folder->node->data;
2350         g_node_destroy(folder->node);
2351         folder->node = node;
2352         folder_add(folder);
2353         FOLDER_ITEM(node->data)->collapsed = collapsed;
2354         FOLDER_ITEM(node->data)->threaded  = threaded;
2355         FOLDER_ITEM(node->data)->account   = account;
2356         FOLDER_ITEM(node->data)->apply_sub = apply_sub;
2357         FOLDER_ITEM(node->data)->ret_rcpt  = ret_rcpt;
2358
2359         g_node_traverse(node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
2360                         folder_build_tree, folder);
2361
2362         return FALSE;
2363 }
2364
2365 static gchar *folder_get_list_path(void)
2366 {
2367         static gchar *filename = NULL;
2368
2369         if (!filename)
2370                 filename =  g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2371                                         FOLDER_LIST, NULL);
2372
2373         return filename;
2374 }
2375
2376 #define PUT_ESCAPE_STR(fp, attr, str)                   \
2377 {                                                       \
2378         fputs(" " attr "=\"", fp);                      \
2379         xml_file_put_escape_str(fp, str);               \
2380         fputs("\"", fp);                                \
2381 }
2382
2383 static void folder_write_list_recursive(GNode *node, gpointer data)
2384 {
2385         FILE *fp = (FILE *)data;
2386         FolderItem *item;
2387         gint i, depth;
2388         static gchar *folder_type_str[] = {"mh", "mbox", "maildir", "imap",
2389                                            "news", "unknown"};
2390         static gchar *folder_item_stype_str[] = {"normal", "inbox", "outbox",
2391                                                  "draft", "queue", "trash"};
2392         static gchar *sort_key_str[] = {"none", "number", "size", "date",
2393                                         "from", "subject", "score", "label",
2394                                         "mark", "unread", "mime", "locked" };
2395         g_return_if_fail(node != NULL);
2396         g_return_if_fail(fp != NULL);
2397
2398         item = FOLDER_ITEM(node->data);
2399         g_return_if_fail(item != NULL);
2400
2401         depth = g_node_depth(node);
2402         for (i = 0; i < depth; i++)
2403                 fputs("    ", fp);
2404         if (depth == 1) {
2405                 Folder *folder = item->folder;
2406
2407                 fprintf(fp, "<folder type=\"%s\"", folder_type_str[folder->type]);
2408                 if (folder->name)
2409                         PUT_ESCAPE_STR(fp, "name", folder->name);
2410                 if (folder->type == F_MH || folder->type == F_MBOX)
2411                         PUT_ESCAPE_STR(fp, "path",
2412                                        LOCAL_FOLDER(folder)->rootpath);
2413                 if (item->collapsed && node->children)
2414                         fputs(" collapsed=\"1\"", fp);
2415                 if (folder->account)
2416                         fprintf(fp, " account_id=\"%d\"",
2417                                 folder->account->account_id);
2418                 if (item->apply_sub)
2419                         fputs(" apply_sub=\"1\"", fp);
2420                 if (item->ret_rcpt)
2421                         fputs(" reqretrcpt=\"1\"", fp);
2422         } else {
2423                 fprintf(fp, "<folderitem type=\"%s\"",
2424                         folder_item_stype_str[item->stype]);
2425                 if (item->name)
2426                         PUT_ESCAPE_STR(fp, "name", item->name);
2427                 if (item->path)
2428                         PUT_ESCAPE_STR(fp, "path", item->path);
2429
2430                 if (item->no_sub)
2431                         fputs(" no_sub=\"1\"", fp);
2432                 if (item->no_select)
2433                         fputs(" no_select=\"1\"", fp);
2434                 if (item->collapsed && node->children)
2435                         fputs(" collapsed=\"1\"", fp);
2436                 if (item->threaded)
2437                         fputs(" threaded=\"1\"", fp);
2438                 else
2439                         fputs(" threaded=\"0\"", fp);
2440                 if (item->hide_read_msgs)
2441                         fputs(" hidereadmsgs=\"1\"", fp);
2442                 else
2443                         fputs(" hidereadmsgs=\"0\"", fp);
2444                 if (item->ret_rcpt)
2445                         fputs(" reqretrcpt=\"1\"", fp);
2446
2447                 if (item->sort_key != SORT_BY_NONE) {
2448                         fprintf(fp, " sort_key=\"%s\"",
2449                                 sort_key_str[item->sort_key]);
2450                         if (item->sort_type == SORT_ASCENDING)
2451                                 fprintf(fp, " sort_type=\"ascending\"");
2452                         else
2453                                 fprintf(fp, " sort_type=\"descending\"");
2454                 }
2455
2456                 fprintf(fp,
2457                         " mtime=\"%lu\" new=\"%d\" unread=\"%d\" unreadmarked=\"%d\" total=\"%d\"",
2458                         item->mtime, item->new, item->unread, item->unreadmarked, item->total);
2459
2460                 if (item->account)
2461                         fprintf(fp, " account_id=\"%d\"",
2462                                 item->account->account_id);
2463                 if (item->apply_sub)
2464                         fputs(" apply_sub=\"1\"", fp);
2465         }
2466
2467         if (node->children) {
2468                 GNode *child;
2469                 fputs(">\n", fp);
2470
2471                 child = node->children;
2472                 while (child) {
2473                         GNode *cur;
2474
2475                         cur = child;
2476                         child = cur->next;
2477                         folder_write_list_recursive(cur, data);
2478                 }
2479
2480                 for (i = 0; i < depth; i++)
2481                         fputs("    ", fp);
2482                 fprintf(fp, "</%s>\n", depth == 1 ? "folder" : "folderitem");
2483         } else
2484                 fputs(" />\n", fp);
2485 }
2486
2487 static void folder_update_op_count_rec(GNode *node)
2488 {
2489         FolderItem *fitem = FOLDER_ITEM(node->data);
2490
2491         if (g_node_depth(node) > 0) {
2492                 if (fitem->op_count > 0) {
2493                         fitem->op_count = 0;
2494                         folder_update_item(fitem, FALSE);
2495                 }
2496                 if (node->children) {
2497                         GNode *child;
2498
2499                         child = node->children;
2500                         while (child) {
2501                                 GNode *cur;
2502
2503                                 cur = child;
2504                                 child = cur->next;
2505                                 folder_update_op_count_rec(cur);
2506                         }
2507                 }
2508         }
2509 }
2510
2511 void folder_update_op_count() {
2512         GList *cur;
2513         Folder *folder;
2514
2515         for (cur = folder_list; cur != NULL; cur = cur->next) {
2516                 folder = cur->data;
2517                 folder_update_op_count_rec(folder->node);
2518         }
2519 }
2520
2521 typedef struct _type_str {
2522         gchar * str;
2523         gint type;
2524 } type_str;
2525
2526
2527 /*
2528 static gchar * folder_item_get_tree_identifier(FolderItem * item)
2529 {
2530         if (item->parent != NULL) {
2531                 gchar * path;
2532                 gchar * id;
2533
2534                 path = folder_item_get_tree_identifier(item->parent);
2535                 if (path == NULL)
2536                         return NULL;
2537
2538                 id = g_strconcat(path, "/", item->name, NULL);
2539                 g_free(path);
2540
2541                 return id;
2542         }
2543         else {
2544                 return g_strconcat("/", item->name, NULL);
2545         }
2546 }
2547 */
2548
2549 /* CLAWS: temporary local folder for filtering */
2550 static Folder *processing_folder;
2551 static FolderItem *processing_folder_item;
2552
2553 static void folder_create_processing_folder(void)
2554 {
2555 #define PROCESSING_FOLDER ".processing"
2556         Folder     *tmpparent;
2557         gchar      *tmpname;
2558
2559         tmpparent = folder_get_default_folder();
2560         g_assert(tmpparent);
2561         debug_print("tmpparentroot %s\n", LOCAL_FOLDER(tmpparent)->rootpath);
2562         if (LOCAL_FOLDER(tmpparent)->rootpath[0] == '/')
2563                 tmpname = g_strconcat(LOCAL_FOLDER(tmpparent)->rootpath,
2564                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER,
2565                                       NULL);
2566         else
2567                 tmpname = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
2568                                       LOCAL_FOLDER(tmpparent)->rootpath,
2569                                       G_DIR_SEPARATOR_S, PROCESSING_FOLDER,
2570                                       NULL);
2571
2572         processing_folder = folder_new(F_MH, "PROCESSING", LOCAL_FOLDER(tmpparent)->rootpath);
2573         g_assert(processing_folder);
2574
2575         if (!is_dir_exist(tmpname)) {
2576                 debug_print("*TMP* creating %s\n", tmpname);
2577                 processing_folder_item = processing_folder->create_folder(processing_folder,
2578                                                                           processing_folder->node->data,
2579                                                                           PROCESSING_FOLDER);
2580                 g_assert(processing_folder_item);
2581         }
2582         else {
2583                 debug_print("*TMP* already created\n");
2584                 processing_folder_item = folder_item_new(processing_folder, ".processing", ".processing");
2585                 g_assert(processing_folder_item);
2586                 folder_item_append(processing_folder->node->data, processing_folder_item);
2587         }
2588         g_free(tmpname);
2589 }
2590
2591 FolderItem *folder_get_default_processing(void)
2592 {
2593         if (!processing_folder_item) {
2594                 folder_create_processing_folder();
2595         }
2596         return processing_folder_item;
2597 }
2598
2599 /* folder_persist_prefs_new() - return hash table with persistent
2600  * settings (and folder name as key).
2601  * (note that in claws other options are in the PREFS_FOLDER_ITEM_RC
2602  * file, so those don't need to be included in PersistPref yet)
2603  */
2604 GHashTable *folder_persist_prefs_new(Folder *folder)
2605 {
2606         GHashTable *pptable;
2607
2608         g_return_val_if_fail(folder, NULL);
2609         pptable = g_hash_table_new(g_str_hash, g_str_equal);
2610         folder_get_persist_prefs_recursive(folder->node, pptable);
2611         return pptable;
2612 }
2613
2614 void folder_persist_prefs_free(GHashTable *pptable)
2615 {
2616         g_return_if_fail(pptable);
2617         g_hash_table_foreach_remove(pptable, persist_prefs_free, NULL);
2618         g_hash_table_destroy(pptable);
2619 }
2620
2621 const PersistPrefs *folder_get_persist_prefs(GHashTable *pptable, const char *name)
2622 {
2623         if (pptable == NULL || name == NULL) return NULL;
2624         return g_hash_table_lookup(pptable, name);
2625 }
2626
2627 void folder_item_restore_persist_prefs(FolderItem *item, GHashTable *pptable)
2628 {
2629         const PersistPrefs *pp;
2630         gchar *id = folder_item_get_identifier(item);
2631
2632         pp = folder_get_persist_prefs(pptable, id);
2633         g_free(id);
2634
2635         if (!pp) return;
2636
2637         /* CLAWS: since not all folder properties have been migrated to
2638          * folderlist.xml, we need to call the old stuff first before
2639          * setting things that apply both to Main and Claws. */
2640         prefs_folder_item_read_config(item);
2641
2642         item->collapsed = pp->collapsed;
2643         item->threaded  = pp->threaded;
2644         item->ret_rcpt  = pp->ret_rcpt;
2645         item->hide_read_msgs = pp->hide_read_msgs;
2646         item->sort_key  = pp->sort_key;
2647         item->sort_type = pp->sort_type;
2648 }
2649
2650 static void folder_get_persist_prefs_recursive(GNode *node, GHashTable *pptable)
2651 {
2652         FolderItem *item = FOLDER_ITEM(node->data);
2653         PersistPrefs *pp;
2654         GNode *child, *cur;
2655         gchar *id;
2656
2657         g_return_if_fail(node != NULL);
2658         g_return_if_fail(item != NULL);
2659
2660         /* NOTE: item->path == NULL means top level folder; not interesting
2661          * to store preferences of that one.  */
2662         if (item->path) {
2663                 id = folder_item_get_identifier(item);
2664                 pp = g_new0(PersistPrefs, 1);
2665                 g_return_if_fail(pp != NULL);
2666                 pp->collapsed = item->collapsed;
2667                 pp->threaded  = item->threaded;
2668                 pp->ret_rcpt  = item->ret_rcpt;
2669                 pp->hide_read_msgs = item->hide_read_msgs;
2670                 pp->sort_key  = item->sort_key;
2671                 pp->sort_type = item->sort_type;
2672                 g_hash_table_insert(pptable, id, pp);
2673         }
2674
2675         if (node->children) {
2676                 child = node->children;
2677                 while (child) {
2678                         cur = child;
2679                         child = cur->next;
2680                         folder_get_persist_prefs_recursive(cur, pptable);
2681                 }
2682         }
2683 }
2684
2685 static gboolean persist_prefs_free(gpointer key, gpointer val, gpointer data)
2686 {
2687         if (key)
2688                 g_free(key);
2689         if (val)
2690                 g_free(val);
2691         return TRUE;
2692 }
2693
2694 void folder_item_apply_processing(FolderItem *item)
2695 {
2696         GSList *processing_list;
2697         GSList *mlist, *cur;
2698
2699         g_return_if_fail(item != NULL);
2700
2701         processing_list = item->prefs->processing;
2702         if (processing_list == NULL)
2703                 return;
2704
2705         mlist = folder_item_get_msg_list(item);
2706
2707         for (cur = mlist ; cur != NULL ; cur = cur->next) {
2708                 MsgInfo * msginfo;
2709
2710                 msginfo = (MsgInfo *) cur->data;
2711                 filter_message_by_msginfo(processing_list, msginfo);
2712                 procmsg_msginfo_free(msginfo);
2713         }
2714
2715         folder_update_items_when_required(FALSE);
2716
2717         g_slist_free(mlist);
2718 }
2719
2720 /*
2721  *  Callback handling for FolderItem content changes
2722  */
2723 GSList *folder_item_update_callbacks_list = NULL;
2724 gint    folder_item_update_callbacks_nextid = 0;
2725
2726 struct FolderItemUpdateCallback
2727 {
2728         gint                    id;
2729         FolderItemUpdateFunc    func;
2730         gpointer                data;
2731 };
2732
2733 gint folder_item_update_callback_register(FolderItemUpdateFunc func, gpointer data)
2734 {
2735         struct FolderItemUpdateCallback *callback;
2736
2737         g_return_val_if_fail(func != NULL, -1);
2738
2739         folder_item_update_callbacks_nextid++;
2740
2741         callback = g_new0(struct FolderItemUpdateCallback, 1);
2742         callback->id = folder_item_update_callbacks_nextid;
2743         callback->func = func;
2744         callback->data = data;
2745
2746         folder_item_update_callbacks_list =
2747                 g_slist_append(folder_item_update_callbacks_list, callback);
2748
2749         return folder_item_update_callbacks_nextid;
2750 }
2751
2752 void folder_item_update_callback_unregister(gint id)
2753 {
2754         GSList *list, *next;
2755
2756         for (list = folder_item_update_callbacks_list; list != NULL; list = next) {
2757                 struct FolderItemUpdateCallback *callback;
2758
2759                 next = list->next;
2760
2761                 callback = list->data;
2762                 if (callback->id == id) {
2763                         folder_item_update_callbacks_list =
2764                                 g_slist_remove(folder_item_update_callbacks_list, callback);
2765                         g_free(callback);
2766                 }
2767         }
2768 }
2769
2770 static void folder_item_update_callback_execute(FolderItem *item, gboolean contentchange)
2771 {
2772         GSList *list;
2773
2774         for (list = folder_item_update_callbacks_list; list != NULL; list = list->next) {
2775                 struct FolderItemUpdateCallback *callback;
2776
2777                 callback = list->data;
2778                 callback->func(item, contentchange, callback->data);
2779         }
2780 }
2781
2782 void folder_update_item(FolderItem *item, gboolean contentchange)
2783 {
2784         folder_item_update_callback_execute(item, contentchange);
2785 }
2786
2787 static void folder_update_item_func(FolderItem *item, gpointer contentchange)
2788 {
2789         if (item->need_update) {
2790                 folder_item_update_callback_execute(item, GPOINTER_TO_INT(contentchange));
2791                 item->need_update = FALSE;
2792         }
2793 }
2794
2795 void folder_update_items_when_required(gboolean contentchange)
2796 {
2797         folder_func_to_all_folders(folder_update_item_func, GINT_TO_POINTER(contentchange));
2798 }
2799
2800 void folder_update_item_recursive(FolderItem *item, gboolean update_summary)
2801 {
2802         GNode *node = item->folder->node;
2803         node = g_node_find(node, G_PRE_ORDER, G_TRAVERSE_ALL, item);
2804         node = node->children;
2805         folder_item_update_callback_execute(item, update_summary);
2806         while (node != NULL) {
2807                 if (node && node->data) {
2808                         FolderItem *next_item = (FolderItem*) node->data;
2809                         folder_item_update_callback_execute(next_item, update_summary);
2810                 }
2811                 node = node->next;
2812         }
2813 }
2814
2815 #undef PUT_ESCAPE_STR